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BS 970 (Part 3) 826M40 vs IS 4367 40Ni10Cr3Mo6

Strong Match — 93.3% match based on chemical composition and mechanical property overlap.

BS 970 (Part 3) 826M40 (BS 970 (Part 3):1991) and IS 4367 40Ni10Cr3Mo6 (IS 4367:1991) are both steel grades. Both fall under the Alloy Steel category. BS 970 (Part 3) 826M40 is defined under British Standards (BS), originating from United Kingdom, while IS 4367 40Ni10Cr3Mo6 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, BS 970 (Part 3) 826M40 vs IS 4367 40Ni10Cr3Mo6 is a 93.3% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a strong match overall at 93.3%.

Frequently Compared With BS 970 (Part 3) 826M40:
IS 1570 (Part 4) 103Cr4 NF A35-565 100C6 IS 1570 (Part 4) 103Cr6 IS 4367 10Cr9Mo10 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 07Cr4Mo6 UNI 11234 100Cr6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 4) 10Mo6 IS 1570 (Part 7) 10Mo6H IS 11169 (Part 1) 10Ni5Cr4
Match Breakdown
CHEMISTRY MATCH
93.3%
MECHANICAL MATCH
No shared data
OVERALL
93.3%
Specifications
Property BS 970 (Part 3) 826M40 IS 4367 40Ni10Cr3Mo6
Standard BS 970 (Part 3):1991 IS 4367:1991
Category Alloy Steel Alloy Steel
C (%) 0.36-0.44 0.36-0.44
Si (%) 0.10-0.40 0.10-0.35
Mn (%) 0.45-0.70 0.40-0.70
P (%) <=0.035 <=0.035
S (%) <=0.040 <=0.035
Cr (%) 0.50-0.80 0.50-0.80
Mo (%) 0.45-0.65 0.40-0.70
Ni (%) 2.30-2.80 2.25-2.75
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property BS 970 (Part 3) 826M40 IS 4367 40Ni10Cr3Mo6
Tensile Strength Not specified 1000-1150 MPa
Yield Strength Not specified 800 MPa min
Elongation Not specified >=12%
Izod Impact Not specified 48 J min
Hardness Not specified 295-341 HB
Hardness (soft annealed) Not specified <=250 HB
Condition Not specified Hardened and tempered, ruling section up to 150 mm
Typical Applications
BS 970 (Part 3) 826M40
Bright cold finished bars (cold drawn, turned or precision ground) for general engineering purposes, in straight lengths; alloy direct hardening steel (Table 16)
IS 4367 40Ni10Cr3Mo6
Not documented
Can BS 970 (Part 3) 826M40 Be Substituted With IS 4367 40Ni10Cr3Mo6?
BS 970 (Part 3) 826M40 and IS 4367 40Ni10Cr3Mo6 overlap closely enough on chemistry and mechanical properties that IS 4367 40Ni10Cr3Mo6 is often considered as a substitute for BS 970 (Part 3) 826M40 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
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BS 970 (Part 3) 826M40
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IS 4367 40Ni10Cr3Mo6
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Frequently Asked Questions
What is the difference between BS 970 (Part 3) 826M40 and IS 4367 40Ni10Cr3Mo6?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can BS 970 (Part 3) 826M40 be substituted with IS 4367 40Ni10Cr3Mo6?
BS 970 (Part 3) 826M40 and IS 4367 40Ni10Cr3Mo6 overlap closely enough on chemistry and mechanical properties that IS 4367 40Ni10Cr3Mo6 is often considered as a substitute for BS 970 (Part 3) 826M40 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.